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linux_ipc.h revision 1.4 
      1 /*	$NetBSD: linux_ipc.h,v 1.4 1998/10/04 00:02:35 fvdl Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 1995, 1998 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Frank van der Linden and Eric Haszlakiewicz.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  * 3. All advertising materials mentioning features or use of this software
     19  *    must display the following acknowledgement:
     20  *	This product includes software developed by the NetBSD
     21  *	Foundation, Inc. and its contributors.
     22  * 4. Neither the name of The NetBSD Foundation nor the names of its
     23  *    contributors may be used to endorse or promote products derived
     24  *    from this software without specific prior written permission.
     25  *
     26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     36  * POSSIBILITY OF SUCH DAMAGE.
     37  */
     38 
     39 #ifndef _LINUX_IPC_H
     40 #define _LINUX_IPC_H
     41 
     42 #include <sys/ipc.h>
     43 
     44 /*
     45  * Structs and values to handle the SYSV ipc/shm/msg calls implemented
     46  * in Linux. Most values match the NetBSD values (as they are both derived
     47  * from SysV values). Values that are the same may not be defined here.
     48  */
     49 
     50 typedef int linux_key_t;
     51 
     52 /*
     53  * The only thing different about the Linux ipc_perm structure is the
     54  * order of the fields.
     55  */
     56 struct linux_ipc_perm {
     57 	linux_key_t	l_key;
     58 	ushort		l_uid;
     59 	ushort		l_gid;
     60 	ushort		l_cuid;
     61 	ushort		l_cgid;
     62 	ushort		l_mode;
     63 	ushort		l_seq;
     64 };
     65 
     66 #define LINUX_IPC_RMID	0
     67 #define LINUX_IPC_SET	1
     68 #define LINUX_IPC_STAT	2
     69 #define LINUX_IPC_INFO	3
     70 
     71 #if defined (SYSVSEM) || defined(SYSVSHM) || defined(SYSVMSG)
     72 #ifdef _KERNEL
     73 __BEGIN_DECLS
     74 void linux_to_bsd_ipc_perm __P((struct linux_ipc_perm *,
     75 				       struct ipc_perm *));
     76 void bsd_to_linux_ipc_perm __P((struct ipc_perm *,
     77 				       struct linux_ipc_perm *));
     78 __END_DECLS
     79 #endif	/* !_KERNEL */
     80 #endif	/* !SYSVSEM, !SYSVSHM, !SYSVMSG */
     81 
     82 #endif /* !_LINUX_IPC_H */
     83